Update strict equality allowlist (python#11599)

JukkaL · tushar-deepsource · commit 32b5de1f66cd · 2022-01-20T16:42:49.000+05:30
Names of some of types have changed in typeshed. Accept both
the old and the new names for now.

Tested manually with the latest typeshed.
diff --git a/mypy/checkexpr.py b/mypy/checkexpr.py
@@ -107,6 +107,8 @@
     "typing.ItemsView",
     "builtins._dict_keys",
     "builtins._dict_items",
+    "_collections_abc.dict_keys",
+    "_collections_abc.dict_items",
 ]
 
 
